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BIO Third Nine Weeks
Third Nine Weeks Exam
| Term | Definition |
|---|---|
| The different forms of a gene of a trait are called _______. | alleles |
| You inherit one allele from your _______ and one from your _______. | mom , dad |
| The letters representing the genetic makeup of an individual are known as its ___________. | genotype |
| The physical characteristics (appearance) of an individual (the expression of the genes) are known as the __________. | phenotype |
| If one allele masks or covers up another allele, it is the ________ allele. | dominant |
| The allele that is masked or covered up by another allele, is the ___________ allele. | recessive |
| Capital letters represent the _______allele. Lowercase letters represent the ________ allele. | dominant , recessive |
| If you have two dominant alleles, you are ________________. | homozygous dominant |
| If you have two recessive alleles, you are ________________. | homozygous recessive |
| If you have a dominant allele and a recessive allele, you are ____________. | heterozygous |
| Another name for homozygous is ______. | pure |
| Another name for heterozygous is ______. | hybrid |
| Does AA represent: the genotype or the phenotype? | genotype |
| Is AA: homozygous or heterozygous? | homozygous |
| A cross between two individuals with one trait is called a __________ cross. | monohybrid |
| A cross between two individuals with 2 traits is called a ____________ cross. | dihybrid |
| The grid that is used to predict the probability of the outcome of crossing two individuals with certain genotypes is called a ___________________. | punnett quare |
| The diagram used to trace the history of a dominant or recessive trait in a family is called a ___________. | pedigree |
| With complete dominance, one trait _______ another trait in the heterozygous condition. | masks |
| With incomplete dominance, the traits _______ in the heterozygous condition. | blend |
| With codominance, the traits are _______ expressed in the heterozygous condition. | both |
| If red flowered plants are governed by complete dominance over white flowered plants, what color would Rr plants be? | red |
| If red flowered plants are governed by incomplete dominance over white flowered plants, what color would Rr plants be? | pink |
| If red flowered plants are governed by codominance over white flowered plants, what color would Rr plants be? | red and white |
| If you cross a pure red flowered plant with a pure white flowered plant governed by complete dominance, what is the probability of having a red flowered plant? _______ white flowered plant? _______ | 100% , 0% |
| If you cross two heterozygous red flowered plants governed by complete dominance, what is the probability of having a red flowered plant? ______ white flowered plant? _______ | 75% , 25% |
| XX is a _______. XY is a _______ | female , male |
| If a male and a female have a child, what is the probability of the child being a male? _____ female? ____ | 50% , 50% |
| Which parent determines the sex of the child? ________ | male/dad |
| When several genes contribute to the expression of a trait, the trait is __________. | polygenic |
| When one gene’s expression is governed by another gene, the trait is __________. | epistasis |
| Use the diagram to answer the following question: Person 1 on the P row represents the ______. | male |
| Use the diagram to answer the following question: Person 2 on the P row represents the ______. | female |
| Use the diagram to answer the following question: How many children did P 1 and P 2 have? | 3 |
| Use the diagram to answer the following question: Does Person 2 on the F 1 row have a recessive allele? | Yes, because its child 3 has the disorder |
| Use the diagram to answer the following question: Is Person 5 on the F 1 row a child of P 1 and P 2 ? | no |
| Use the diagram to answer the following question: How many children of Person 1 and 2 of the F 1 row have the disorder? | 2 |
| Use the diagram to answer the following question: How many boys did Person 4 and 5 of the F 1 row have? | 2 |
| Use the diagram to answer the following question: How many girls did Person 4 and 5 of the F 1 row have? | 1 |
| Use the diagram to answer the following question: This diagram is called a ________. | pedigree |
| Use the diagram to answer the following question: Is the disorder represented by shading or non-shading? | shading |
Created by:
tarawara
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